<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=https://gitee.com/YZH_cd/CSS-Demo.git, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>旋转方块</title>
    <link rel="stylesheet" href="./index.css">
</head>
<body>
    <div class="mycube">
        <div class="cube">
            <div class="a"></div>
            <div class="b"></div>
            <div class="c"></div>
            <div class="d"></div>
            <div class="e"></div>
            <div class="f"></div>
            <div class="cube2">
                <div class="g"></div>
                <div class="h"></div>
                <div class="i"></div>
                <div class="j"></div>
                <div class="k"></div>
                <div class="l"></div>
                <div class="cube3">
                    <div class="m"></div>
                    <div class="n"></div>
                    <div class="o"></div>
                    <div class="p"></div>
                    <div class="q"></div>
                    <div class="r"></div>
                </div>
            </div>
        </div>
    </div>
</body>
</html>